Coughing is an important way to keep your throat and airways clear. However, excessive coughing may mean you have an underlying disease or disorder. Some coughs are dry, while others are considered productive. A productive cough is one that brings up mucus.
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2

Go see your doctor:
Without more information, it's difficult to give more specific ideas. First, if you smoke, it's time to stop. Second, if you're short of breath, you may be experiencing reactive airway disease and be in need of a short acting bronchodilator such as albuterol. Third, if you have a fever, it's a good idea to go see your family doc to see if you have pneumonia. Most bronchitis is viral so no antibiot.
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3

Get in:
If you are having fever, shortness of breath, or achiness with your cough then you should get in right away to be seen. A cough like this can be a viral illness that can clear on its own, but if you are very sick, get in to make sur you do not have a pneumonia. Try some honey with lemon for the cough. Good luck!
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5

Lots of things :
Chronic bronchitis? Bronchiectasis? The answer depends on your age, medical history, tobacco use, duration of symptoms, and so on. This is why doctors need to do a history, physical exam, and occasionally other tests to take care of many of your questions.
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6

Not the soft drinks:
It is not an effect of the soft drinks directly. You probably have allergy, and yes it could be to the soft drinks if they pop. The color of your secretion is from the cells involved in the inflammation. Allergy sometimes causes popping of the superficial blood vessels and cause yellow or brownish secretion. Eosinophils and basophils from allergy can also cause discolored secretions.
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8

Maybe postnasal drip:
Mild nasal allergies can cause some muscus dripping in back of throat/mouth and collects there during sleep and can turn a bit brown in the am. During day, little mucus/drip is pulled down by gravity, but when sleeping mucus tends to stay in back of throat and thus productive coughing/coughing in the early am. If worsens, call doc for eval. Good luck.
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10

Get seen:
A cough for more than 3-5 days, could be due to bronchitis from a bacteria. See a doc. If you are taking any cough meds, they may be raising your blood pressure (and they don't work anyway and can make you worse). Stop them. If you have trouble breathing, fever over 102, or vomiting, go to an ER. Otherwise see your doc soon to be checked. See http://tinyurl.com/osmaxzo
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